Senior Systems Administrator

About Us Venatre is a mission driven government contractor based in Tampa FL supporting federal and civilian agencies with secure cutting edge technology cybersecurity and mission support services Our teams are trusted in demanding environments because we integrate with client missions combining technical depth operational precision and innovative thinking to deliver meaningful results where they matter most About the Job Venatre is seeking a highly skilled Systems Administrator with strong PowerShell scripting and Windows Server administration experience to manage maintain and enhance enterprise systems infrastructure This role is responsible for server and virtual infrastructure administration Active Directory services Group Policy certificate lifecycle management system security performance and availability The Systems Administrator will automate administrative functions wherever practical troubleshoot complex technical issues support infrastructure modernization and security initiatives and collaborate with cross functional IT teams to deliver solutions aligned with command requirements This position also provides technical guidance and mentorship to junior administrators and team members Responsibilities Windows Server & Domain Administration Build deploy configure administer and maintain Windows Server environments and domain infrastructure Manage core Microsoft infrastructure services including Active Directory DNS DHCP Group Policy Active Directory Sites and Services and Active Directory Domains and Trusts Create and administer privileged administrator accounts managed service accounts and other system accounts in accordance with applicable security requirements Monitor and tune system performance to maintain reliability availability and operational effectiveness Install and maintain enterprise software and coordinate the implementation of critical operating system and application patches Schedule plan coordinate and oversee system upgrades and infrastructure changes PowerShell Automation Develop maintain and execute PowerShell scripts to automate repetitive systems administration configuration monitoring and maintenance activities Identify opportunities to improve operational efficiency consistency and reliability through automation Maintain appropriate documentation for scripts automated workflows dependencies and administrative procedures Group Policy & Security Administration Develop implement maintain and troubleshoot Group Policy Objects GPOs with appropriate targeting scoping testing and documentation Implement Group Policy changes supporting computing resource requirements and remediation of identified security vulnerabilities Ensure systems are administered in accordance with applicable security policies regulations technical standards and industry best practices Support remediation activities related to system vulnerabilities configuration deficiencies and security findings Certificate & PKI Support Manage certificate lifecycle activities supporting web servers systems applications and secure communication channels Monitor certificate status and coordinate certificate issuance renewal replacement revocation and deployment activities as required Support Public Key Infrastructure PKI administration and troubleshoot certificate related issues affecting enterprise services Troubleshooting & Operational Support Troubleshoot diagnose and remediate complex system server infrastructure security performance and availability issues including issues without previously documented solutions Interact with end users and technical stakeholders to identify requirements investigate problems and develop appropriate solutions Interface with third party vendors to coordinate troubleshooting and resolution of product or service issues Ensure incidents and technical problems are accurately tracked documented prioritized and escalated at the appropriate level Collaborate with enterprise IT teams to address operational requirements and resolve cross functional technical issues Infrastructure Projects & Continuous Improvement Support infrastructure projects and initiatives designed to improve the efficiency capability reliability or security of the environment Evaluate vendor products and technical solutions to develop functional requirements for system enhancements and changes Collaborate with cross functional IT teams to design and implement infrastructure solutions aligned with command requirements Produce technical data sets reports and informational materials for management in support of operational visibility and process improvement efforts Documentation & Team Development Review develop and maintain technical documentation covering system configurations testing administrative procedures troubleshooting guides and operational processes Document system changes configurations Group Policy implementations automation processes and technical best practices Provide technical guidance knowledge transfer and mentorship to junior administrators and other team members Promote a strong foundational understanding of the systems and services supporting organizational operations Required Qualifications Active US Government Secret security clearance is required Applicable DoD 8140 or DoD 8570 certification Demonstrated proficiency in PowerShell scripting and the automation of repetitive systems administration tasks Proven experience in systems administration and enterprise infrastructure management Strong knowledge of Microsoft Windows Server and Active Directory environments Strong understanding of certificate lifecycle management Experience developing implementing and administering Group Policy including policies supporting resource management and security vulnerability remediation Demonstrated ability to troubleshoot complex server infrastructure performance security and availability issues Ability to review modify and develop comprehensive technical documentation including system configurations troubleshooting guides procedures and best practices Ability to collaborate effectively with cross functional IT teams technical stakeholders end users and third party vendors Strong written and verbal communication skills Preferred Qualifications Microsoft Windows Hybrid Administrator certification Red Hat Certified System Administrator RHCSA certification or higher ITIL 4 Foundation certification Experience supporting USCENTCOM and familiarity with its mission Knowledge of and familiarity with USCENTCOMs IT environment Experience working on cross functional IT teams and technical projects Experience with Public Key Infrastructure PKI administration Benefits Venatre offers a competitive benefits package designed to support the well being of our employees Paid Time Off PTO 10 Federal Holidays 401k with company matching Medical dental and vision insurance Paid parental leave Paid military leave Venatre is a woman owned small business and an equal opportunity employer We consider qualified applicants without regard to disability or protected veteran status #J-18808-Ljbffr Venatore Llc